Box for presses.



No. 655,07l. Patented luly 3|, I900.

0. B. GALBRAITH.

BOX FOR PBESSES.

. (Application filed Feb. 26, 1900.)

(N o I o d e I.)

V U ITE STATES PATENT OFFICE.

OSOAR B. GALBRAITH, OFHONEY GROVE, TEXAS, ASSIGNOR, BY DIRECT AND MEsNE ASSIGNMENTS, OF FlVE-SIXTHS To W. J. ERWIN, J. o. BEARD, o. B. BRYAN, E. 0. JOHNSTON, J. M. JOHNSTON, T. U. OOLE, s. L. KIRBY, vANoE KIRBY, o. A. LEEMAN, J. W. HAMILTON, AND s. W. GOSE, OF SAME PLACE.

' BOX FOR fPREssEs.

SPECIFICATION forming part of Letters Patent No. 655,071, dated July 31, 1900.

Application filed February 26,1900. Serial No. 6,601. (No model.)

To all whom it may concern.-

Be it known that I, OsoAR B. GALRRAITH, a citizen of the United States of America, residing at Honey Grove, in the county of Fannin and State of Texas, have invented a new ing the Oily fluid contained in cotton orother seeds, one object being to'heat the plates of the press and the cakes of meal therein to the desired degree of temperature necessary to extract the greatest amount of oil from the cakes before starting the press. As is usual in presses of this nature, the seeds from which.

it is desired to extract the oil are first ground into a meal, and this meal is heated to a previously-determined temperature in the form of cakes, which are placed between the plates of the press and the press operated to extract the oil therefrom. When, therefore, the press becomes cold, it requires from four to ten hours, according to the amount of material in the press, &c. to heat it with the heat communicated thereto from the cakes in the process of pressing. My improvement is intended to obviate this delay in heating the press, as

well as facilitate the extraction of oil.

A further object accomplished by the use of this box is that the presses are heated gradually at the beginning of the run, thus obviating the danger of a breakdown of the press on account of the high pressure exerted on the cold press during the process of extracting oil from the cakes. In other words, it imparts to the press a gradually-increasing amount of heat which raises the temperature to the desired degree 'to obtain the largest amount of oil from the material. A saving in press-cloths is also effected. These cloths become permeated with the oil extracted from the meal around which they are wrapped,

and when cold this oil clogs the interstices of the cloth, forming a gummy deposit, which to a great'extent prevents the oil in the cake from exuding through the cloth which acts as a filter and into the troughs provided for it. This clogging of the pores of the cloth which prevents the exudation of the oil there- 'through is very liable to cause the cloth to does not cause sweating, or the accumulation of moisture on the press, which is a fault common to those hitherto devised.

It consists of a coil-pipe incased or inclosed Within a casing or pan and connected with similar pans in order to create a continuous circuit throughout the entire set or system of boxes in the press within which they are located.

It further consists of certain novel features of construction and combinations of parts, which will be more fully described hereinafter and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a view in perspective showing the box open, disclosing acoil of pipe. Fig. 2 is a view of a section of a press, showing the boxes in position; and Fig. 3 is a modification.

A represents the box, which is of metal or other suitable material and of any convenient shape, but preferablyrectangular. This box is inserted in a recess located in the pressframes and between the plates thereof. Contained within this box is a coil of pipe B, through which the heat, steam preferably, from any suitable source passes. The ends of this coil are extended out through the opposite or the same sides or ends of the box or casing, as at 1 and 2, which are connected by suitable couplings to similar boxes, also in the press. The coil of pipe is in contact with the box, and hence the steam passing through the pipes heats the box, and the box being in contact with the press-frame and plates communicates the heat thus received to them and thence to the cakes between the plates. Now

it will be perfectly obviousthat as the steam plant the press willbe heated to the necesthe same amount of material.

sary degree of temperature as soon as the plaht is ready to start. By the use of my improvement the yield of oil is increased from twenty-five per cent. to fifty per cent. and a saving in press-cloths of from twenty per cent. to thirty per cent. is efiected over the former practice of operating the press when.

, frame supporting the plates, .of boxes removably placed within the press-frame and be- ?tween theplates, said boxes each provided iwith a coil of pipe, the ends of which project from either side of the box and. through which steam or other heating means is led.

cold. It also enables the mill to make a bet ter. run, work more product in the same length of time, and extract a larger yield of oil from I It will also be noted that the boxes are coupled together by couplings 3, so that the steam or other heating element may'enter one box and circulate frames supporting plates, of a box removthrough each in succession, leaving the press from the box at the opposite end, or the tween the plates, said .box provided with a coil ofpipe, the ends of which project from i the sides of the box and through which steam I or other heating means is led, and means for 1 ventilating the box.

steam maybe applied separately to each box, and by this means a uniform degree of heat is applied simultaneously to the entire press, which is thereby maintained at the required temperature. The casing or box A is perforated by a small'hole 5 for the purposeof ventilation. V

In the modification shown in Fig. 3 the box or casing is made air-tight, the steam being admitted at one end 4: and leaving at the opposite end 6, imparting its heat directly to the casing or box in its passage therethrough.

It will be seen that slight changes other than those heretofore noted might be made in the form and arrangement of the several parts described without departing from the spirit and scope of my invention, and hence I do not desire to limit myself to the exact construction herein set forth; but,

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

j l. A press provided with plates and open-l ing between said plates, and a box removably placed within said opening, said box consisting of a casing containing suitable means connected with a source of heat whereby to raise the temperature of the press. 7

2. In a press, the combination with plates having opening between them, of a box inserted, in. said opening, said box provided with connections to'a suitable source of heat, and means within said box wherebythe heat is difiused and communicated thereto, there by imparting heat to the press.

' v 3. In a press, the combinationwith press frames, and plates supported thereby, of

.means removably inserted within the pressframe and between the plates, said means consisting of a box provided with couplings at each end for permitting the passage of steam or other heating means therethrough, whereby the boxmay be heated.

,4. Ina press, the combination witha press- 5. In a press, the combination with press:

ably placed within the press-frame, and be- 6. In a press provided with press-frames said press-frames and between said. plates, couplings between and connecting the boxes, one of said boxes being connected with a suitable supply 'of heat, whereby the heat enters this box and is difiused among the other boxes by means of said couplings, whereby a continuous circulation of heat is obtained and an equal degree of temperature maintained throughout the entire press,

In testimony whereof I have signed my name to thisspecification in the presence of two subscribing witnesses.

OSCAR B. GALBRAITH.

Witnesses: J. H. ROBNETT,

J. M. GILMER.

' and plates supported thereby, the combination with boxes removably inserted within IOC 

